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LTC7813 Datasheet(PDF) 9 Page - Analog Devices

Part # LTC7813
Description  100V VIN and VOUT Synchronous 4-Switch Multiphase Buck-Boost DC/DC Controller
PDF  59 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LTC7813 Datasheet(HTML) 9 Page - Analog Devices

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Data Sheet
LT8210-1
analog.com
Rev. A
9 of 59
(Specifications are at TA = 25°C. VIN = 12V, VINP = 12V, VEN/UVLO = 3.3V, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS/COMMENTS
MIN
TYP
MAX
UNITS
Overcurrent Warning
Threshold (VIMON)
VIMON
Rising
-40°C ≤ TJ ≤ 125°C
1.15
1.2
1.24
V
Overcurrent Warning
Hysteresis
VHYST_OC
45
mV
IMON Disable
Threshold (VIMON)
VIMON_TH
Rising
-40°C ≤ TJ ≤ 125°C
2.3
2.5
2.8
V
IMON Disable
Hysteresis
VHYST_IMON
400
mV
Cycle-by-Cycle Inductor Current Limiting
Maximum Current
Sense Threshold
(VSNSP1 – VSNSN1)
VSNS_TH
Buck Regulation
(VINP = 24V, VOUT =
0V)
-40°C ≤ TJ ≤ 125°C
45
53
61
mV
Maximum Current
Sense Threshold
(VSNSP1– VSNSN1)
VSNS_TH
Buck Regulation
(VINP= 24V, VOUT =
12V)
-40°C ≤ TJ ≤ 125°C
55
62
70
mV
Boost Regulation
(VINP = 6V, VOUT =
12V)
-40°C ≤ TJ ≤ 125°C
45
51
58
Buck Regulation
(VINP = 100V, VOUT
= 48V)
-40°C ≤ TJ ≤ 125°C
73
85
101
Boost Regulation
(VINP = 24V, VOUT =
48V)
-40°C ≤ TJ ≤ 125°C
36
45
54
Maximum Non-
Switching Current
Sense Threshold in
Pass-Thru (VSNSP1 –
VSNSN1)
VSNS_TH_PT
VOUT = VINP, FB1 =
1.2V, FB2 = 0.8V
MODE1 = MODE2
= 3.3V
-40°C ≤ TJ ≤ 125°C
57
63
70
mV
Reverse Current Sense
Threshold (VSNSP1 –
VSNSN1)
VSNS_REV_TH
DCM/Pass-Thru Modes
3
mV
Pass-Thru Buck-Boost Regions
–6



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